摘要:
https://leetcode.com/problems/word-break/?tab=Description 以及 https://leetcode.com/problems/concatenated-words/?tab=Description 都很类似。用的都是DP,可以见: https: 阅读全文
posted @ 2017-02-25 19:50
blcblc
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摘要:
https://leetcode.com/problems/reverse-nodes-in-k-group/?tab=Description 解答: https://discuss.leetcode.com/topic/7126/short-but-recursive-java-code-with 阅读全文
posted @ 2017-02-25 11:54
blcblc
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摘要:
注意数组从a到b的和,一般不是通过a到b-1,然后再加一个,而是通过 sum(0,b)-sum(0,a)来处理的。 阅读全文
posted @ 2017-02-25 00:44
blcblc
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